Patents by Inventor Sung Shik Eom

Sung Shik Eom has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20160256862
    Abstract: Disclosed are a catalyst composition and a method of hydroformylating olefin using the same, which may maintain catalyst activity through improvement of catalyst stability and reduce a use amount of a ligand while improving selectivity to iso-aldehyde, by using a specific ligand to a transition metal catalyst and a ligand stabilizer together in hydroformylation of olefin.
    Type: Application
    Filed: September 25, 2014
    Publication date: September 8, 2016
    Applicant: LG CHEM, Ltd.
    Inventors: Sung Shik EOM, Dong Hyun KO, Da Won JUNG, Min Soo KIM, Tae Yun KIM
  • Publication number: 20160229772
    Abstract: Disclosed are a highly efficient neopentyl glycol preparation method and a device therefor. More particularly, disclosed are a method of preparing neopentyl glycol, wherein the method includes adding a hydroxypivaldehyde solution and hydrogen to a hydrogenation reactor that including a hydrogenation catalyst, wherein the hydroxypivaldehyde solution includes 6 to 30% by weight of hydroxypivaldehyde, to 70% by weight of neopentyl glycol, 10 to 30% by weight of alcohol, and 10 to 30% by weight of water, and a device therefor.
    Type: Application
    Filed: September 15, 2015
    Publication date: August 11, 2016
    Applicant: LG Chem Ltd.
    Inventors: Sung Shik EOM, Dong Hyun KO, Mi Young KIM, Da Won JUNG, TaeYun KIM, Min Ji CHOI
  • Patent number: 9234086
    Abstract: Disclosed is a plasticizer composition which comprises an ester-based plasticizer and an ether compound and exhibits improved workability and heat loss in proportion to content of the ether compound.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: January 12, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Sung Shik Eom, Mi Yeon Lee, Dong Hyun Ko, Da Won Jung
  • Patent number: 9200139
    Abstract: Disclosed is a plasticizer composition which comprises an ester-based plasticizer and an ether compound and exhibits improved workability and heat loss in proportion to content of the ether compound.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: December 1, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Sung Shik Eom, Mi Yeon Lee, Dong Hyun Ko, Da Won Jung
  • Patent number: 9181156
    Abstract: The present invention relates to an apparatus for producing alcohols from olefins, comprising: a hydroformylation reactor wherein aldehydes are produced from olefins; a catalyst/aldehydes separator; a hydrogenation reactor wherein the aldehydes are hydrogenated to produce alcohols; and a distillation column. The hydroformylation reactor is equipped with a distributor plate, which has a broad contact surface for providing sufficient reaction area for reactants such as olefins and synthesis gas, and allows the reaction mixture to circulate and mix sufficiently, which contribute to excellent efficiency in terms of production of aldehydes. In addition, the hydrogenation reactor suppresses sub-reactions to improve the production yield of alcohols.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: November 10, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Sung-Shik Eom, Yong-Jin Choe, Chan-Hong Lee, Moo-Ho Hong, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi
  • Publication number: 20150291496
    Abstract: Disclosed is a method of preparing methylol alkanal. According to the present invention, a yield of methylol alkanal may be improved without using formaldehyde in an excess amount of a theoretical minimum molar ratio or more, formaldehyde wastewater may be reduced, and the amount of formaldehyde remainder, which may act as a hydrogenation catalyst poison, comprised in the methylol alkanal is decreased when the prepared methylol alkanal is hydrogenated resulting in improvement in efficiency of the hydrogenation.
    Type: Application
    Filed: July 21, 2014
    Publication date: October 15, 2015
    Inventors: Sung Shik Eom, Min Soo Kim, Tae Yun Kim, Dong Hyun Ko
  • Publication number: 20150291769
    Abstract: Disclosed is an ester plasticizer composition, as a plasticizer composition, which comprises a hybrid alkyl-substituted terephthalate compound and a non-hybrid alkyl-substituted terephthalate compound as active ingredients, improves workability due to high absorption speed for the resins and short melting time, and thus may imparts a uniform foaming property upon being applied to wallpaper formulation.
    Type: Application
    Filed: June 23, 2015
    Publication date: October 15, 2015
    Inventors: Mi Yeon LEE, Sung Shik EOM, Dong Hyun Ko, O Hak Kwon, Da Won Jung, Gyu II Lee
  • Patent number: 9029608
    Abstract: The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: May 12, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Moo-Ho Hong, Sung-Shik Eom, Yong-Jin Choe, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi
  • Publication number: 20150025185
    Abstract: Disclosed is a plasticizer composition which comprises an ester-based plasticizer and an ether compound and exhibits improved workability and heat loss in proportion to content of the ether compound.
    Type: Application
    Filed: October 9, 2014
    Publication date: January 22, 2015
    Inventors: Hyun Kyu KIM, Sung Shik EOM, Mi Yeon LEE, Dong Hyun KO, Da Won JUNG
  • Publication number: 20150007750
    Abstract: Disclosed is an ester plasticizer composition, as a plasticizer composition, which comprises a hybrid alkyl-substituted terephthalate compound and a non-hybrid alkyl-substituted terephthalate compound as active ingredients, improves workability due to high absorption speed for the resins and short melting time, and thus may imparts a uniform foaming property upon being applied to wallpaper formulation.
    Type: Application
    Filed: July 3, 2013
    Publication date: January 8, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Mi Yeon LEE, Sung Shik EOM, Dong Hyun KO, O Hak KWON, Da Won JUNG, Gyu Il LEE
  • Publication number: 20140350307
    Abstract: Disclosed are an apparatus and method for preparing alcohol from olefin. A reactor for hydroformylating olefin comprises a loop reactor for reducing high-boiling point components, a post-treatment device for separating aldehyde comprises a catalyst/aldehyde separator and a divided wall column (DWC) for removing remaining high-boiling point components, and a post-treatment device for separating alcohol comprises a divided wall column (DWC) for removing remaining high-boiling point components. The apparatus and method for preparing alcohol reduce production of high-boiling point components in the preparation of alcohols and efficiently remove remaining high-boiling point components, thus obtaining alcohol containing no high-boiling point components.
    Type: Application
    Filed: September 26, 2013
    Publication date: November 27, 2014
    Inventors: Sung Shik Eom, Dong Hyun Ko, Dae Chul Kim
  • Patent number: 8889916
    Abstract: The present invention relates to a catalyst composition for hydroformylation reaction and a hydroformylation process using the same. In the hydroformylation process using the catalyst composition according to the present invention, increased catalytic stability and high catalytic activity can be obtained, and the selectivity of iso-aldehyde produced can be desirably controlled.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: November 18, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Jae-Hui Choi, Dong-Hyun Ko, O-Hak Kwon, Sung-Shik Eom, Moo-Ho Hong, Hye-Won Yang
  • Patent number: 8884071
    Abstract: Disclosed is a hydroformylation method having improved catalyst stability in a reaction. Advantageously, provided is a hydroformylation method in which a specific ?,?-unsaturated carbonyl compound is incorporated during a hydroformylation reaction to prevent alkyl phosphite decomposed from a phosphite ligand from acting as a catalyst poison, thereby improving a yield of reaction and inhibiting decomposition of ligand and catalyst.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: November 11, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Sung-Shik Eom, Moo-Ho Hong, O-Hak Kwon, Jae-Hui Choi, Dae-Chul Kim
  • Publication number: 20140249333
    Abstract: The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced.
    Type: Application
    Filed: May 12, 2014
    Publication date: September 4, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Dong-Hyun KO, Moo-Ho HONG, Sung-Shik EOM, Yong-Jin CHOE, O-Hak KWON, Dae-Chul KIM, Jae-Hui CHOI
  • Patent number: 8791304
    Abstract: The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: July 29, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Moo-Ho Hong, Sung-Shik Eom, Yong-Jin Choe, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi
  • Publication number: 20140135533
    Abstract: Disclosed is a hydroformylation method having improved catalyst stability in a reaction. Advantageously, provided is a hydroformylation method in which a specific ?,?-unsaturated carbonyl compound is incorporated during a hydroformylation reaction to prevent alkyl phosphite decomposed from a phosphite ligand from acting as a catalyst poison, thereby improving a yield of reaction and inhibiting decomposition of ligand and catalyst.
    Type: Application
    Filed: June 4, 2012
    Publication date: May 15, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Dong-Hyun Ko, Sung-Shik Eom, Moo-Ho Hong, O-Hak Kwon, Jae-Hui Choi, Dae-Chul Kim
  • Patent number: 8710276
    Abstract: Disclosed are a catalyst composition for hydroformylation of olefin compounds, comprising a specific phosphine ligand and a transition metal catalyst, and a hydroformylation process using the same. Through a hydroformylation process using the catalyst composition according to the present invention, a suitable selectivity of iso-aldehyde can be maintained, catalyst stability can be improved, the amount of used ligand can be reduced and superior catalyst activity can be obtained.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: April 29, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong Hyun Ko, Sung Shik Eom, O Hak Kwon, Hye Won Yang, Jae Hui Choi
  • Patent number: 8673244
    Abstract: The present invention relates to an apparatus for producing alcohols from olefins, comprising: a hydroformylation reactor wherein aldehydes are produced from olefins; a catalyst/aldehydes separator; a hydrogenation reactor wherein the aldehydes are hydrogenated to produce alcohols; and a distillation column. The hydroformylation reactor is equipped with a distributor plate, which has a broad contact surface for providing sufficient reaction area for reactants such as olefins and synthesis gas, and allows the reaction mixture to circulate and mix sufficiently, which contribute to excellent efficiency in terms of production of aldehydes. In addition, the hydrogenation reactor suppresses sub-reactions to improve the production yield of alcohols.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: March 18, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Sung-Shik Eom, Yong-Jin Choe, Chan-Hong Lee, Moo-Ho Hong, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi
  • Publication number: 20140051893
    Abstract: The present invention relates to an apparatus for producing alcohols from olefins, comprising: a hydroformylation reactor wherein aldehydes are produced from olefins; a catalyst/aldehydes separator; a hydrogenation reactor wherein the aldehydes are hydrogenated to produce alcohols; and a distillation column. The hydroformylation reactor is equipped with a distributor plate, which has a broad contact surface for providing sufficient reaction area for reactants such as olefins and synthesis gas, and allows the reaction mixture to circulate and mix sufficiently, which contribute to excellent efficiency in terms of production of aldehydes. In addition, the hydrogenation reactor suppresses sub-reactions to improve the production yield of alcohols.
    Type: Application
    Filed: October 23, 2013
    Publication date: February 20, 2014
    Applicant: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Sung-Shik Eom, Yong-Jin Choe, Chan-Hong Lee, Moo-Ho Hong, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi
  • Publication number: 20130331612
    Abstract: The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced.
    Type: Application
    Filed: July 11, 2011
    Publication date: December 12, 2013
    Inventors: Dong-Hyun Ko, Moo-Ho Hong, Sung-Shik Eom, Yong-Jin Choe, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi